SAP Calculations. Draft SAP Project: Bungalow Undercliff. Contact: Sandra Hardwick

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1 SAP Calculations FitzArchitects Draft SAP Project: Bungalow Undercliff Contact: Sandra Hardwick

2 Predicted Energy Assessment Page 2 of 16 Bungalow, Undercliff, Cleadon, SR6 7UX Dwelling type: Bungalow, Detached Date of assessment: 08.Dec.2015 Produced by: Frank Dixon Associates Total floor area: m 2 This document is a Predicted Energy Assessment for properties marketed when they are incomplete. It includes a predicted energy rating which might not represent the final energy rating of the property on completion. Once the property is completed, this rating will be updated and an official Energy Performance Certificate will be created for the property. This will include more detailed information about the energy performance of the completed property. The energy performance has been assessed using the Government approved SAP2012 methodology and is rated in terms of the energy use per square meter of floor area; the energy efficiency is based on fuel costs and the environmental impact is based on carbon dioxide (CO2) emissions. Energy Efficiency Rating Environmental Impact (CO2) Rating Very energy efficient - lower running costs (92 plus) (81-91) (69-80) (55-68) (39-54) (21-38) (1-20) A B C D E Not energy efficient - higher running costs EU Directive England 2002/91/EC The energy efficiency rating is a measure of the overall efficiency of a home. The higher the rating the more energy efficient the home is and the lower the fuel bills are likely to be. F G 94 Very environmentally friendly - lower CO2 emissions (92 plus) (81-91) (69-80) (55-68) (39-54) (21-38) (1-20) A B C D E F G Not environmentally friendly - higher CO2 emissions 95 EU Directive England 2002/91/EC The environmental impact rating is a measure of a home's impact on the environment in terms of carbon dioxide (CO2) emissions. The higher the rating the less impact it has on the environment. Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

3 Sandra Hardwick Summary Information Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Property: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version: SAP 2012, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 3 of 16 Orientation North East 1.0 Property Type Bungalow, Detached 2.0 Number of Storeys Date Built Property Age Band 4.0 Sheltered Sides Sunlight/Shade Very little 6.0 Measurements Heat Loss Perimeter Internal Floor Area Average Storey Height Ground Floor: Living Area Thermal Mass Parameter Simple calculation - High 9.0 External Walls Description Construction U-Value Kappa Gross Area Nett Area External wall Cavity wall : dense plaster, dense block, filled cavity, any outside structure wall to unheated Other Party walls Description Construction Kappa Area 10.0 External Roofs Description Construction U-Value Kappa Gross Area Nett Area Flat roof Plasterboard, insulated flat roof HeatLoss Floors Description Construction U-Value Kappa Area ground floor Slab on ground, screed over insulation Opening Types Description Data Source Type Glazing Glazing Gap Argon Filled Solar Trans Frame Type Frame Factor U value Window Manufacturer Window external door Manufacturer Half Glazed Door rooflights Manufacturer Roof Window Double Low-E Soft 0.05 Double Low-E Soft 0.05 Double Low-E Soft Openings Name Opening Type Location Orientation Curtain Type Overhang Ratio Wide Overhang Width Height Count Area Curtain Closed South Window [1] External wall South Net curtain (covering whole window) 0.74 Yes Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

4 SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 4 of 16 South west shade s west shallow shade s east deep shade south unshaded Window [1] External wall South West Net curtain (covering whole window) 1.48 Yes Window [1] External wall South West None 0.74 No Window [1] External wall South East None 1.00 No 7.29 Window [1] External wall South east Window [1] External wall East north west Window [1] External wall North West Net curtain (covering whole window) Net curtain (covering whole window) Net curtain (covering whole window) North Window [1] External wall North None north east Window [1] External wall North East None rooflights Roof Window [1] Flat roof Horizontal None Conservatory None 15.0 Draught Proofing Draught Lobby Yes 17.0 Thermal Bridging Calculate Bridges 17.1 List of Bridges Source Type Bridge Type Length Psi Imported Table K1 - Approved E2 Other lintels (including other steel lintels) Yes Table K1 - Approved E3 Sill No Table K1 - Approved E4 Jamb Yes Table K1 - Approved E5 Ground floor (normal) Yes Independently assessed E14 Flat roof Yes Table K1 - Approved E16 Corner (normal) No Table K1 - Default R1 Head of roof window Yes Table K1 - Default R2 Sill of roof window Yes Table K1 - Default R3 Jamb of roof window Yes 18.0 Pressure Testing Yes Designed q Property Tested? As Built q50 Same As Designed? 19.0 Mechanical Ventilation Mechanical Ventilation System Yes Present Approved Installation Yes Windows open in hot weather Windows half open Cross ventilation possible Yes Night Ventilation No Air change rate 3.00 Mechanical Ventilation data Type Database Type Mechanical extract ventilation - centralised MV Reference Number Configuration 6 MVHR Duct Insulated Manufacturer SFP 0.38 Duct Type Semi rigid MVHR Efficiency Wet Rooms 6 Brand, Model 20.0 Fans, Open Fireplaces, Flues MHS SHS Other Total Number of Chimneys Number of open flues Number of intermittent fans 0 Number of passive vents 0 Number of flueless gas fires Cooling System No 22.0 Lighting Internal Total number of light fittings 50 Total number of L.E.L. fittings 50 Percentage of L.E.L. fittings External Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

5 SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 5 of 16 External lights fitted No Light and motion sensors 23.0 Electricity Tariff Standard 24.0 Heating Systems Main Heating 1 Database Description Water source HP Percentage of Heat 100 % Main Heating 2 None Description Percentage of Heat % Community Heating Secondary Heating Manufacturer Water Heating Main Heating 1 Flue Gas Heat Recovery System No Waste Water Heat Recovery No Instantaneous System 1 Waste Water Heat Recovery No Instantaneous System 2 Waste Water Heat Recovery Storage No System Solar Panel No 25.0 Main Heating 1 Database Ref. No Fuel Type Electricity Main Heating PET TestMethod SAP Code 224 Efficiency ( Split Efficiences ) % Efficiency ( Split Efficiences ) % In Winter In Summer Model Name Manufacturer Controls CHD Time and temperature zone control PCDF Controls 0 Delayed Start Stat Sap Code 2207 Burner Control Boiler Compensator HETAS approved System Oil Pump Inside FI Case FI Water Flue Type Smoke Control Area Fan Assisted Flue Is MHS Pumped Pump in heated space Heat Emitter Underfloor Underfloor Heating Yes - Pipes in thin screed Flow Temperature Yes - Pipes in thin screed Electric CPSU Temperature Combi boiler type Combi keep hot type Combi store type 27.0 Community Heating Space Community Heating PCDF Index Distribution Loss Distribution Loss Value Controls SAP Code Water Community Heating PCDF Index Distribution Loss Distribution Loss Value Charging Linked To Heat Use 28.0 Secondary Heating RWM Description Wood Logs RWM Closed room heater SHS efficiency % SAP Code 633 HETAS Approved System Yes Smoke Control Area Unknown Test Method BS EN 1266 Manufacturer stovax Model Name stovax 29.0 Water Heating HWP From main heating 1 Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

6 SUMMARY FOR INPUT DATA FOR New Build (As Designed) Page 6 of 16 Water use <= 125 litres/person/day Yes SAP Code 901 Immersion Heater Summer Immersion Suplementary Immersion Immersion Only Heating Hot Water 29.1 Flue Gas Heat Recovery System Database ID Brand Model Details 29.2 Waste Water Heat Recovery System Total rooms with shower and/or bath 30.0 Hot Water Cylinder Hot Water Cylinder Cylinder Stat Yes Cylinder In Heated Space Yes Independent Time Control Yes Insulation Type Measured Loss Insulation Thickness Cylinder Volume Loss (kwh/day) 1.57 Pipes insulation Fully insulated primary pipework In Airing Cupboard 31.0 Solar Panel Solar Panel Area Area Type Panel Type n0, a1, a2, A/G ratio Orientation Elevation Overshading Solar Storage Volume Pump electrically powered Combined Cylinder 32.0 Thermal Store None Thermal Store Pipework 33.0 Photovoltaic Unit One Dwelling Apportioned KWh/Year PV Cells kw Peak Orientation Elevation Overshading 4.00 South 30 None Or Little 34.0 Wind Turbines Terrain Type Wind Turbines Count Apportioned Kwh/year Rotor Diameter Hub Height 35.0 Small-scale Hydro Electricity Generated Description Apportioned kwh/year Recommendations None Urban Further measures to achieve even higher standards None Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

7 Sandra Hardwick Thermal Bridging Page 7 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Property: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version: SAP 2012, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Junction detail Source Type Psi (W/mK) Length (m) Result External wall E2 Other lintels (including other steel lintels) Table K1 - Approved External wall E3 Sill Table K1 - Approved External wall E4 Jamb Table K1 - Approved External wall E5 Ground floor (normal) Table K1 - Approved External wall E14 Flat roof Independently assessed External wall E16 Corner (normal) Table K1 - Approved External roof R1 Head of roof window Table K1 - Default External roof R2 Sill of roof window Table K1 - Default External roof R3 Jamb of roof window Table K1 - Default Reference Total W/mK: Y-Value W/m2K: 0.050

8 Sandra Hardwick U-value calculator report Page 8 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Project: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version:, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Building Elements: Roof Sedum roof Roof Type: Flat Roof inverted (with corrections) Layer Description Thickness Conductivity Resistance Fraction Ext surface Layer 1 Layer 2 Layer 3 single ply membrane Main construction 10 mm % Thermaroof TR21 zero ODP (*80mm or less) Main construction 75 mm % Plywood Corrections - Air Gap: Level 1, Fasteners: None or plastic Main construction 22 mm % Layer 4 Earthwool Loft Roll 40 Layer 5 Main construction 200 mm % Bridging - Timber 200 mm % Corrections - Air Gap: Level 1, Fasteners: None or plastic Plaster, standard Main construction 15 mm % Int surface Total : Upper limit = m 2 K/W Lower limit = m 2 K/W Average = m 2 K/W Unheated space: None U-value (unrounded) = 0.13 W/m 2 K Total thickness: 322 mm U-value: 0.13 W/m 2 K Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

9 Sandra Hardwick U-value calculator report Page 9 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Project: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version:, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Building Elements: Wall cavity wall Layer Description Thickness Conductivity Resistance Fraction Ext surface Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Brick, outer leaf Main construction 102 mm % Bridging - Mortar 102 mm % Earthwool Dritherm 32 Ultimate Main construction 100 mm % Corrections - Air Gap: Level 1, Fasteners: None or plastic Earthwool Dritherm 32 Ultimate Main construction 100 mm % Corrections - Air Gap: Level 1, Fasteners: None or plastic Blockwork, dense Main construction 140 mm % Plaster, standard Main construction 15 mm % Int surface Total : Upper limit = m 2 K/W Lower limit = m 2 K/W Average = m 2 K/W Unheated space: None U-value (unrounded) = 0.15 W/m 2 K Total thickness: 457 mm U-value: 0.15 W/m 2 K Floor Ground floor Floor Type: Slab On Ground Floor Area = m 2, Perimeter = m, Wall thickness = mm, Soil: Clay Horizontal edge insulation: Width D = mm, Thickness dn = mm, Lambda = Vertical edge insulation: Width D = mm, Thickness dn = 25.0 mm, Lambda = Layer Description Thickness Conductivity Resistance Fraction Ext surface Layer 1 Layer 2 Layer 3 Thermafloor Main construction 150 mm % Corrections - Air Gap: Level 1, Fasteners: None or plastic Concrete, dense Main construction 150 mm % Screed + self levelling Main construction 50 mm % Int surface Total : Upper limit = m 2 K/W Lower limit = m 2 K/W Average = m 2 K/W Unheated space: None U-value (unrounded) = 0.1 W/m 2 K Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

10 Sandra Hardwick U-value calculator report Page 10 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Project: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version:, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Building Elements: Total thickness: 350 mm U-value: 0.10 W/m 2 K Elmhurst Energy Systems Limited Registered Office Unit 16, St Johns Business Park, Lutterworth, Leicestershire LE17 4HB

11 Sandra Hardwick Condensation Risk Analysis Report Page 11 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Project: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version:, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Roof Environmental conditions: External conditions: Temperature: 5 C Relative Humidity: 95 % Internal conditions: Temperature: 15 C Relative Humidity: 65 % Table of layers: Layer Thickness mm Thermal conduct. W/m.K Thermal m2.k/w Cumulative thermal m2.k/w resistivity Cumulative vapourt External surface single ply membrane Thermaroof TR21 zero ODP (*80mm or less) Plywood Earthwool Loft Roll Plaster, standard Internal surface

12 Condensation Risk Analysis Report Page 12 of 16 pressure table: Interface - between layers Interface temp. C pressure Pa Satur. vapour pressure Pa Dew point C rate g/m2 h rate 60 days g/m2 h External surface No 1. External surface / single ply membrane No 2. single ply membrane / Thermaroof TR21 zero ODP (*80mm or less) Yes 3. Thermaroof TR21 zero ODP (*80mm or less) / Plywood No 4. Plywood / Earthwool Loft Roll No 5. Earthwool Loft Roll 40 / Plaster, standard No Plaster, standard / Internal surface No Internal surface No risk Y/N Interface temperature / Dew point graphical representation:

13 Sandra Hardwick Condensation Risk Analysis Report Page 13 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Project: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version:, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Wall Environmental conditions: External conditions: Temperature: 5 C Relative Humidity: 95 % Internal conditions: Temperature: 15 C Relative Humidity: 65 % Table of layers: Layer Thickness mm Thermal conduct. W/m.K Thermal m2.k/w Cumulative thermal m2.k/w resistivity Cumulative vapourt External surface Brick, outer leaf Earthwool Dritherm 32 Ultimate Earthwool Dritherm 32 Ultimate Blockwork, dense Plaster, standard Internal surface

14 Condensation Risk Analysis Report Page 14 of 16 pressure table: Interface - between layers Interface temp. C pressure Pa Satur. vapour pressure Pa Dew point C rate g/m2 h rate 60 days g/m2 h External surface No 1. External surface / Brick, outer leaf No 2. Brick, outer leaf / Earthwool Dritherm 32 Ultimate Yes 3. Earthwool Dritherm 32 Ultimate / Earthwool Dritherm 32 Ultimate No 4. Earthwool Dritherm 32 Ultimate / Blockwork, dense No 5. Blockwork, dense / Plaster, standard No Plaster, standard / Internal surface No Internal surface No risk Y/N Interface temperature / Dew point graphical representation:

15 Sandra Hardwick Condensation Risk Analysis Report Page 15 of 16 Property Reference: Issued on Date: 08.Dec.2015 Survey Reference: 001 Prop Type Ref: Det bungalow Project: Bungalow, Undercliff, Cleadon, SR6 7UX SAP Rating: 94 A Environmental:95 A CO2 Emissions (t/year): 2.06 General Requirements Compliance: Pass DER: 5.95 Pass DFEE:43.06 Pass TER: TFEE:61.67 Percentage DER<TER: % Percentage DFEE<TFEE: % CfSH Results Version: ENE1 Credits: N/A ENE2 Credits: N/A ENE7 Credits: N/A CfSH Level: N/A Surveyor: Sandra Hardwick, Tel: Surveyor ID: B Address: Ridley Avenue, Blyth, Northumberland, NE24 3BA Software Version: Elmhurst Energy Systems SAP2012 Calculator (Design System) version 3.02r10 SAP version:, Regs Region: England (Part L1A 2013), Calculation Type: New Dwelling As Designed Floor Environmental conditions: External conditions: Temperature: 5 C Relative Humidity: 95 % Internal conditions: Temperature: 15 C Relative Humidity: 65 % Table of layers: Layer Thickness mm Thermal conduct. W/m.K Thermal m2.k/w Cumulative thermal m2.k/w resistivity Cumulative vapourt External surface Thermafloor Concrete, dense Screed + self levelling Internal surface

16 Condensation Risk Analysis Report Page 16 of 16 pressure table: Interface - between layers Interface temp. C pressure Pa Satur. vapour pressure Pa Dew point C rate g/m2 h rate 60 days g/m2 h External surface No 1. External surface / Thermafloor No 2. Thermafloor / Concrete, dense No 3. Concrete, dense / Screed + self levelling No Screed + self levelling / Internal surface No Internal surface No risk Y/N Interface temperature / Dew point graphical representation:

Insulation options. Calculating U-Values

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